Catalog No. K-280
Single Phase Socket Tester
The TESCO Knopp K-280 Single Phase Socket Tester is engineered to quickly and reliably detect short circuits, backfeed, and wiring errors in 120/240 volt, 3-wire, single phase self-contained meter sockets. Its heavy-duty handle ensures quick installation and removal, while the rugged, UV- stabilized, fiberglass-reinforced body withstands the rigors of field use. Equipped with high-intensity Power Lights and Fault Lights, it provides a clear, immediate indication of whether the meter is safe to set.
Key Features: •
Voltage: 120/240 Volt
• • • • •
Sturdy handle for easy removal 4 jaw design – 2S Meter Form
UV stabilized plastic for long-lasting durability UL 94-5 VA flame rating for fire safety Fiberglass reinforced polycarbonate housing
SINGLE PHASE SOCKET TESTER CATALOG NO. K-280
TESCO Metering 925 Canal Street · Bristol, PA 19007 · Phone: 215.228.0500 tescometering.com
2026 V1
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